Check that supply from main relay has been interrupted. Easiest method is to place fingertips on idle air control (IAC) valve. When the valve stopsvibrating, the main relay has cut off supply to the system.

As part of the anti-theft system on cars equipped with an engine immobilizer, the engine control module box in the engine compartment is lockedinto place with a locking strip. The locking strip is installed with a security screw.

CAUTION: Before reinstalling locking strip, make sure that the car has been repaired and no faults persist.

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Locate the slit underneath the engine control module box with your fingers and hook the locking strip into it.